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Title: Heterointerface design and strain tuning in epitaxial BiFeO 3:CoFe 2O 4 nanocomposite films

Abstract

The ability to control the morphology of heterointerfaces with coupled functionalities is fascinating from both fundamental and technological perspectives. Here, using BiFeO 3:CoFe 2O 4 vertically aligned nanocomposite (VAN) films as a model system, we demonstrate a simple and effective method to modulate the heterointerface and its morphology in nanocomposite films with pulsed laser deposition. By tuning the deposition frequency through thickness during film growth, both vertically straight and gradient heterointerfaces have been achieved. The modulated heterointerface is strongly correlated with strain tuning and interface coupling, and thus modifies the magnetic anisotropy, coercive fields, and ferroelectric switching behavior. Furthermore, this study provides a viable approach for tailoring the interface strain and coupling in VAN and achieving tunable physical properties.

Authors:
 [1];  [1];  [1]; ORCiD logo [2];  [1];  [2];  [3];  [1]
  1. Texas A & M Univ., College Station, TX (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Center for Integrated Nanotechnologies (CINT)
  3. Univ. of Cambridge (United Kingdom)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
National Science Foundation (NSF); USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Scientific User Facilities Division; European Research Council (ERC)
OSTI Identifier:
1498031
Report Number(s):
LA-UR-15-29155
Journal ID: ISSN 0003-6951
Grant/Contract Number:  
89233218CNA000001; DMR-1401266; DMR-0846504; ERC-2009-AdG 247276 NOVOX
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 107; Journal Issue: 21; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; material science; thin films; magnetization; epitaxy

Citation Formats

Zhang, Wenrui, Fan, Meng, Li, Leigang, Chen, Aiping, Su, Qing, Jia, Quanxi, MacManus-Driscoll, Judith L., and Wang, Haiyan. Heterointerface design and strain tuning in epitaxial BiFeO3:CoFe2O4 nanocomposite films. United States: N. p., 2015. Web. doi:10.1063/1.4936157.
Zhang, Wenrui, Fan, Meng, Li, Leigang, Chen, Aiping, Su, Qing, Jia, Quanxi, MacManus-Driscoll, Judith L., & Wang, Haiyan. Heterointerface design and strain tuning in epitaxial BiFeO3:CoFe2O4 nanocomposite films. United States. doi:10.1063/1.4936157.
Zhang, Wenrui, Fan, Meng, Li, Leigang, Chen, Aiping, Su, Qing, Jia, Quanxi, MacManus-Driscoll, Judith L., and Wang, Haiyan. Wed . "Heterointerface design and strain tuning in epitaxial BiFeO3:CoFe2O4 nanocomposite films". United States. doi:10.1063/1.4936157. https://www.osti.gov/servlets/purl/1498031.
@article{osti_1498031,
title = {Heterointerface design and strain tuning in epitaxial BiFeO3:CoFe2O4 nanocomposite films},
author = {Zhang, Wenrui and Fan, Meng and Li, Leigang and Chen, Aiping and Su, Qing and Jia, Quanxi and MacManus-Driscoll, Judith L. and Wang, Haiyan},
abstractNote = {The ability to control the morphology of heterointerfaces with coupled functionalities is fascinating from both fundamental and technological perspectives. Here, using BiFeO3:CoFe2O4 vertically aligned nanocomposite (VAN) films as a model system, we demonstrate a simple and effective method to modulate the heterointerface and its morphology in nanocomposite films with pulsed laser deposition. By tuning the deposition frequency through thickness during film growth, both vertically straight and gradient heterointerfaces have been achieved. The modulated heterointerface is strongly correlated with strain tuning and interface coupling, and thus modifies the magnetic anisotropy, coercive fields, and ferroelectric switching behavior. Furthermore, this study provides a viable approach for tailoring the interface strain and coupling in VAN and achieving tunable physical properties.},
doi = {10.1063/1.4936157},
journal = {Applied Physics Letters},
issn = {0003-6951},
number = 21,
volume = 107,
place = {United States},
year = {2015},
month = {11}
}

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Cited by: 13 works
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    Works referencing / citing this record:

    Multiferroic vertically aligned nanocomposite with CoFe 2 O 4 nanocones embedded in layered Bi 2 WO 6 matrix
    journal, June 2019


    Multiferroic vertically aligned nanocomposite with CoFe 2 O 4 nanocones embedded in layered Bi 2 WO 6 matrix
    journal, June 2019